Miscellaneous References and MentionsWhile our initial information about Sumatra came from various goverment sources (GNIS, FIPS), we also found mention of Sumatra in various books, maps and other sources. We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Sumatra. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Sumatra data came from. The following list of references and mentions is incomplete. North American Railroad Atlas - Mountain Plains
Hixson Map of Montana (1950)
Rand McNally Map of Montana (1925)
Shell Oil Map of Montana (1951)
Sumatra is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> Both the GNIS and FIPS databases contain entries for Sumatra. See our Misc Page for Sumatra for more information. Footnotes ...
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